Move <optional> into include/experimental, and into the std::experimental namespace, since it's not part of C++14, but of an upcoming TS
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@194867 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -11,12 +11,14 @@
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// ~optional();
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#include <optional>
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#include <experimental/optional>
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#include <type_traits>
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#include <cassert>
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#if _LIBCPP_STD_VER > 11
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using std::experimental::optional;
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class X
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{
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public:
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@@ -35,20 +37,20 @@ int main()
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{
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typedef int T;
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static_assert(std::is_trivially_destructible<T>::value, "");
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static_assert(std::is_trivially_destructible<std::optional<T>>::value, "");
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static_assert(std::is_trivially_destructible<optional<T>>::value, "");
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}
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{
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typedef double T;
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static_assert(std::is_trivially_destructible<T>::value, "");
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static_assert(std::is_trivially_destructible<std::optional<T>>::value, "");
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static_assert(std::is_trivially_destructible<optional<T>>::value, "");
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}
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{
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typedef X T;
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static_assert(!std::is_trivially_destructible<T>::value, "");
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static_assert(!std::is_trivially_destructible<std::optional<T>>::value, "");
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static_assert(!std::is_trivially_destructible<optional<T>>::value, "");
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{
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X x;
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std::optional<X> opt{x};
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optional<X> opt{x};
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assert(X::dtor_called == false);
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}
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assert(X::dtor_called == true);
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